@article{lin2017focal,
  title = {Focal Loss for Dense Object Detection},
  author = {Tsung-Yi Lin and Priya Goyal and Ross B. Girshick and Kaiming He and Piotr Doll{\'a}r},
  journal = {2017 IEEE International Conference on Computer Vision (ICCV)},
  year = {2017},
  pages = {2999-3007},
  url = {http://openaccess.thecvf.com/content_ICCV_2017/papers/Lin_Focal_Loss_for_ICCV_2017_paper.pdf}
}
